Oil filter
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Burning Brakes
Joined: Jun 2002
Posts: 771
Likes: 136
From: Vacaville Ca
Le Mans Master
Joined: Oct 2014
Posts: 8,687
Likes: 2,731
From: Atlanta GA
I do all my own work but it's just not worth my time and effort to do an oil change and have to dispose of the oil and filter
, I take all my cars to a place that works on all high-end cars and that has been doing all my oil changes for years,
When I picked up the Vette last week, I instantly saw that the oil pressure seamed really high. , I figured it was new oil and it was not warmed up . fast forward to yesterday, its 90 degrees outside , Oil temp is 206 and pressure was still looking too high to me, so I jumped down hard on it and the pressure shot up to over 65 pounds, I drove directly to the shop, who then put it right up in the air where they discovered a knock off filter and not an AC Delco PF64 . After the manager chewed out the guy who worked on it , they put the correct filter on and my pressure is back to normal. Moral of the story ... there are a lot of filters that fit an LT motor .......but only a PF64 should be used.
Dave
Le Mans Master
Joined: Oct 2014
Posts: 8,687
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From: Atlanta GA
Burning Brakes
Joined: Aug 2018
Posts: 1,043
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Plenty of comparison videos on filters. After reviewing a few, seems the AC Delco filter is right up there with the better examples. For my use (about 4K per year), it is a bargain. Offsets the overkill with the Supercar oil that I don’t really need. Cheap insurance.
Melting Slicks
Joined: Jun 2019
Posts: 2,069
Likes: 951
From: near philly
I didn't say the bypass doesn't matter, I said the actual filter brand itself doesn't matter, because it doesn't
When I said oil doesn't matter do you think I meant go ahead and use Rotella 20w-50 diesel engine oil? Or 0w-20?
no, I meant Pennzoil synthetic 5w-30 or Mobil 1 synthetic 5w-30 or Amsoil or whatever people are hyped up about makes no difference other than personal opinion and how neat the jug looks
Le Mans Master
Joined: Oct 2014
Posts: 8,687
Likes: 2,731
From: Atlanta GA
correct, the bypass rating matters, that is an objective physical part just like the diameter to fit up
I didn't say the bypass doesn't matter, I said the actual filter brand itself doesn't matter, because it doesn't
When I said oil doesn't matter do you think I meant go ahead and use Rotella 20w-50 diesel engine oil? Or 0w-20?
no, I meant Pennzoil synthetic 5w-30 or Mobil 1 synthetic 5w-30 or Amsoil or whatever people are hyped up about makes no difference other than personal opinion and how neat the jug looks
I didn't say the bypass doesn't matter, I said the actual filter brand itself doesn't matter, because it doesn't
When I said oil doesn't matter do you think I meant go ahead and use Rotella 20w-50 diesel engine oil? Or 0w-20?
no, I meant Pennzoil synthetic 5w-30 or Mobil 1 synthetic 5w-30 or Amsoil or whatever people are hyped up about makes no difference other than personal opinion and how neat the jug looks
If you don't think there is a difference in brands I think you are sadly mistaken
I do agree with you on the brand of oil statements , as long as the oil you buy matches the OEM specs .... it all the same
Dave
Intermediate
Joined: Nov 2018
Posts: 47
Likes: 17
In case you haven't heard... 0W40 is the recommendation GM changed to for the C7 (minus ZR1).
https://www.corvette-web-central.com...l-upgrade.html
https://www.corvette-web-central.com...l-upgrade.html
Melting Slicks
Joined: Jun 2019
Posts: 2,069
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From: near philly
Thread Starter
Le Mans Master
Joined: Jun 2019
Posts: 5,542
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From: Loveland
0 is a temperature. as in 0 degrees. W means winter. As,,,, 0degreeswinter-30 0 weight is impossible. Even water isn't 0 weight. Weight and viscosity are two different things.
Oils viscosity doesn't get thinner as it gets colder,,, impossible.
Oils viscosity doesn't get thinner as it gets colder,,, impossible.
Last edited by kodpkd; May 19, 2023 at 10:16 AM.
Melting Slicks
Joined: Jun 2019
Posts: 2,069
Likes: 951
From: near philly
no it doesn't mean 0 degrees, and no it doesn't mean it's "zero" weight. No clue where you are getting any of this.
They are arbitrary numbers that provide a "scale" for what the actual viscosity is. Viscosity isn't represented by a unitless figure in multiples of 10.
0W-30 gives a numerical comparison of how that oil will flow when cold compared to 10w-30 or 20-50, or whatever
so it's "cold" viscosity is much lower than 10w-40 but it's hot viscosity is no worse than 10w-40, hence good cold operation characteristics without trading off hot operation
quite certain nobody is implying that 0W-40 is a superfluid when cold with zero viscosity because thus far the only thing known to man that can become a super fluid with zero viscosity is liquid helium chilled to absolute zero
Thread Starter
Le Mans Master
Joined: Jun 2019
Posts: 5,542
Likes: 2,219
From: Loveland
It stands for 0 degrees. The oil spec is down to 0 degrees. Meaning the oil will maintain a certain viscosity down to 0 degrees instead of 10 degrees as in 10W-30.
0W-30 oil and 10W-30, both start with 30 weight oil, with additives the 0w-30 can maintain a certain viscosity down to 0 degrees instead of 10 degrees.
Do some research.
This will help. Look at the straight 30 weight compared to 0W-30, the viscosities. At the warmer temp's the viscosity is about the same, at the colder viscosities there is a big difference.
https://wiki.anton-paar.com/en/engine-oil/
0W-30 oil and 10W-30, both start with 30 weight oil, with additives the 0w-30 can maintain a certain viscosity down to 0 degrees instead of 10 degrees.
Do some research.
This will help. Look at the straight 30 weight compared to 0W-30, the viscosities. At the warmer temp's the viscosity is about the same, at the colder viscosities there is a big difference.
https://wiki.anton-paar.com/en/engine-oil/
Last edited by kodpkd; May 19, 2023 at 11:53 AM.